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J/A+A/544/A31/ptolema Star catalogues of Ptolemaios, Ulugh Beg (Verbunt+, 2012)
Star Catalogue of Ptolemaios (137) (1028 rows)
  P=784
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ColumnValue  Explain   (UCD)
_RAJ200003:45:09.6 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J-128. (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000-08:42:46 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J-128. (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195003:42:44.8 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J-128. (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950-08:52:12 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J-128. (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon197.12 deg Galactic longitude at Epoch=J-128. (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-45.07 deg Galactic latitude at Epoch=J-128. (computed by VizieR, not part of the original data) (pos.galactic.lat)
784recno 784  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

P 784   [1/1028] Sequence number in Ptolemaios Catalogue (meta.id;meta.main)
C36   [1/48] Constellation sequence number (meta.id)
cst=Eri  Abbreviation of constellation name (meta.id)
N13   [1/45] Sequence number of star in constellation (meta.id)
f_N    [a] 'a' for star outside the constellation figure (meta.code)
Elon022:00.0 "d:m:s" Ecliptic longitude (Note 1)   (pos.ecliptic.lon)
Elat-28:00 "d:m:s" [0/90] Ecliptic latitude (Note 2)   (pos.ecliptic.lat)
VP3   [1/9] Magnitude as given by Ptolemaios (Note 3)   (phot.mag;em.opt)
q_VP    [bf] brighter/fainter qualifier by Ptolemaios (Note G1)   (meta.code.qual)
HIP 16537   Hipparcos number of identification (meta.number)
I1   [1/6] Quality of identification flag (Note G2)   (meta.code)
T1   [0/3] Comparison flag with Toomer (Note 4)   (meta.code.error)
Vmag 3.7 mag Johnson V magnitude (from Hipparcos) (phot.mag;em.opt.V)
Dl -13.0 arcmin Difference in longitude (Hipparcos-Ptolemaios) (pos;arith.diff)
Db -5.5 arcmin Difference in latitude (Hipparcos-Ptolemaios) (pos;arith.diff)
dist 12.7 arcmin Distance Δ between Ptolemaios and Hipparcos positions (pos;arith.diff)
Flag    [*] Flag for annotation in article (meta.code.error)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
_RA.icrs03 45 09.6  Right ascension (ICRS) at Epoch=J-128. (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-08 42 46 "d:m:s" Declination (ICRS) at Epoch=J-128. (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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